
Journey to the Microcosmos
Apply for Free MembershipThe episodes in this series feature original music by Andrew Huang, footage from James Weiss, and narration by Hank Green and Deboki Chakravarti. This series takes a relaxing dive into the unseen aspects of the world through microscopic footage.

Journey to the Microcosmos: Meet the Microcosmos

Journey to the Microcosmos: How Microscopic Hunters Get Their Lunch

Journey to the Microcosmos: Stentors--Single-Celled Giants

Journey to the Microcosmos: How Do Microorganisms Reproduce?

Journey to the Microcosmos: Where Did Eukaryotic Cells Come From?

Journey to the Microcosmos: Tardigrades--Chubby, Misunderstood, & Not Immortal

Journey to the Microcosmos: How Do Protozoa Get Around?

Journey to the Microcosmos: Diatoms--Tiny Factories You Can See From Space

Journey to the Microcosmos: Mysterious Jiggly Crystals and Other Intracellular Structures

Journey to the Microcosmos: How Do Colonies Help Microorganisms Survive?

Journey to the Microcosmos: Death in the Microcosmos

Journey to the Microcosmos: Euglenoids--Single-Celled Shapeshifters

Journey to the Microcosmos: Hydra--Stretchy, Speedy, & Probably Immortal

Journey to the Microcosmos: Relax and Enjoy the View

Journey to the Microcosmos: Life Without Oxygen? Challenge Accepted

Journey to the Microcosmos: Rotifers--Charmingly Bizarre & Often Ignored

Journey to the Microcosmos: The Microscopic Circle of Life

Journey to the Microcosmos: Amoebas--Occasional Brain-Eaters

Journey to the Microcosmos: The Colors of the Microcosmos

Journey to the Microcosmos: Eating, Hatching, and Crashing Into the Moon--More About Tardigrades

Journey to the Microcosmos: Are Microbes Good or Bad for Humans?

Journey to the Microcosmos: Paramecium--The White Rat of Ciliates

Journey to the Microcosmos: Microorganisms Are Cleaning the Water You Drink

Journey to the Microcosmos: What Microscope Do We Use?

Journey to the Microcosmos: What Humans and Stentors Have in Common

Journey to the Microcosmos: Gastrotrichs--Four Day Old Grandmothers

Journey to the Microcosmos: We Recorded Some Strange Goop. What Is It?

Journey to the Microcosmos: What If All the Microbes Disappeared?

Journey to the Microcosmos: Desmids--The Symmetrical Algae That's Full of Crystals

Journey to the Microcosmos: Microbes Don’t Actually Look Like Anything

Journey to the Microcosmos: We Filmed Tardigrade Mating

Journey to the Microcosmos: The Highs and Lows of Tardigrade Pregnancy

Journey to the Microcosmos: Slime Molds--When Micro Becomes Macro

Journey to the Microcosmos: How to Identify Microbes

Journey to the Microcosmos: How Cyanobacteria Took Over the World

Journey to the Microcosmos: Bacillaria--Distractingly Beautiful Crystal Colonies

Journey to the Microcosmos: The Story of Christian Gottfried Ehrenberg

Journey to the Microcosmos: How We Find Our Microbes

Journey to the Microcosmos: The Secret Things Living in Your Aquarium

Journey to the Microcosmos: Synura--Smelly, Flowery Confetti

Journey to the Microcosmos: How to Survive the Microcosmos

Journey to the Microcosmos: What Is the Point of Sex?

Journey to the Microcosmos: What Are These Vorticella up to?

Journey to the Microcosmos: Water Fleas: Look Weird, Adapt Weirder

Journey to the Microcosmos: Making Decisions Without a Brain

Journey to the Microcosmos: Peritrich Ciliates--Masters of Long-Range Snacking

Journey to the Microcosmos: The Terrifying Viruses of the Microcosmos

Journey to the Microcosmos: The Micro World Right Under Your Feet

Journey to the Microcosmos: Testate Amoebas--Blobby, Modest Shell Dwellers

Journey to the Microcosmos: Colorless Euglenoids--Structure and Function (and Food)

Journey to the Microcosmos: The Complicated Legacy of Lynn Margulis

Journey to the Microcosmos: The Microbe You Eat All the Time

Journey to the Microcosmos: How to Name a Microbe

Journey to the Microcosmos: Preserving the History of the Microcosmos With Prepared Slides

Journey to the Microcosmos: Trying to Make Sense of This Overwhelming World

Journey to the Microcosmos: We Upgraded Our Microscope!

Journey to the Microcosmos: How Do Microorganisms Poop?

Journey to the Microcosmos: Flatworms--Simple Wiggly Tubes

Journey to the Microcosmos: Our Paramecia Are Infected

Journey to the Microcosmos: Lacrymaria--Vicious Long-Necked Predators

Journey to the Microcosmos: The Fungus That Traps and Kills Nematodes

Journey to the Microcosmos: Ophyroglena: The Tricky Transforming Ciliate

Journey to the Microcosmos: Can Microbes See Without Eyes?

Journey to the Microcosmos: Do Microscopic Immortals Actually Exist?

Journey to the Microcosmos: Water Is Thicker When You’re Smaller

Journey to the Microcosmos: Didinium--The Paramecium Hunter

Journey to the Microcosmos: This Ciliate Is About to Die

Journey to the Microcosmos: Foraminifera--Hard on the Outside, Squishy on the Inside

Journey to the Microcosmos: Why Do Bacteria Move Like Vibrating Chaos Snakes?

Journey to the Microcosmos: The Algae That Saved an Astronaut's Life

Journey to the Microcosmos: Moss & Lichen--Which One Is Actually a Plant?

Journey to the Microcosmos: Suctorians--The Ugly Duckling of Ciliates

Journey to the Microcosmos: Can Algae Fuel Our Cars?

Journey to the Microcosmos: How Do Microorganisms Pee?

Journey to the Microcosmos: Becoming Your Own Baby Through Conjugation

Journey to the Microcosmos: Getting to Know Our Single-Celled Ancestors

Journey to the Microcosmos: Your Screen Is Covered in Human Blood

Journey to the Microcosmos: Heliozoa--Round, Sticky, and Covered in Spikes

Journey to the Microcosmos: How Diatoms Build Their Beautiful Shells

Journey to the Microcosmos: Leeuwenhoek--The First Master of Microscopes

Journey to the Microcosmos: The Fantastic Feet of the Microcosmos

Journey to the Microcosmos: The Chaotic Life of Seashore Ciliates

Journey to the Microcosmos: We Found a Super Rare Microbe!

Journey to the Microcosmos: Bursaria--Giant Gravity-Sensing Vacuums

Journey to the Microcosmos: The Diversity of Shapes in the Microcosmos

Journey to the Microcosmos: Looking at Tardigrade Sperm and Other Reproducing Swimmers

Journey to the Microcosmos: Flinching Saves Lives in the Microcosmos

Journey to the Microcosmos: Some Eggs Don't Need Sperm to Make Babies

Journey to the Microcosmos: We Upgraded Our Microscope... Again!

Journey to the Microcosmos: Unsolved Mysteries of the Microcosmos

Journey to the Microcosmos: The Beautiful, Brutal Tentacles of Hydra

Journey to the Microcosmos: We Dipped Our Lens in Oil to See More Detail

Journey to the Microcosmos: The Secret Things Living In Your Drains

Journey to the Microcosmos: Revealing the Hidden Colors of the Microcosmos

Journey to the Microcosmos: These Algae Curl Up Into a Ball When They Get Stressed Out

Journey to the Microcosmos: Where Is This Anemone Really From?

Journey to the Microcosmos: The Gruesome Tale of the Hitchhiking Parasite

Journey to the Microcosmos: The Spatula-Shaped Ciliate Family

Journey to the Microcosmos: What Even Is a Species?

Journey to the Microcosmos: Aeolosoma--Polka-Dotted Vacuum Worms

Journey to the Microcosmos: Nematodes--The Worm That Sculpted the World

Journey to the Microcosmos: The Tiny Worlds Inside of Single-Celled Organisms

Journey to the Microcosmos: The Complicated Relationships of the Microcosmos

Journey to the Microcosmos: Adventures in Being Eaten

Journey to the Microcosmos: Creepy Crawly Close-Ups

Journey to the Microcosmos: We Recorded Too Much Slow Motion Footage

Journey to the Microcosmos: Looking for Answers in the Skull of a Zebrafish

Journey to the Microcosmos: The Tiny Crustacean With the Oldest Penis

Journey to the Microcosmos: Microbes in Slow Motion

Journey to the Microcosmos: Copepods--The Diatom-Devouring King of Plankton

Journey to the Microcosmos: Dileptus--The Toxic Micro Elephant With an Insatiable Appetite

Journey to the Microcosmos: The Arachnid Whose Poop Is Making You Sneeze

Journey to the Microcosmos: Tumbling Down Invisible Highways

Journey to the Microcosmos: The Fish Sucking Lice That Aren’t Lice

Journey to the Microcosmos: Journey Through the Body of a Rotifer

Journey to the Microcosmos: Slime Tubes in Search of Sunlight

Journey to the Microcosmos: The Purple Bacteria That Are Afraid of Oxygen

Journey to the Microcosmos: Why Do Microbes Explode Under UV Light?

Journey to the Microcosmos: What Is Mold and Why Does It Love Bread?

Journey to the Microcosmos: The Dark History of Sea Monkeys

Journey to the Microcosmos: Giant Microscopic Cannibals

Journey to the Microcosmos: How Many Cells Are in a Microscopic Animal?

Journey to the Microcosmos: The Remarkable Mystery of Land Plants

Journey to the Microcosmos: A Microscopic Tour of Death

Journey to the Microcosmos: There's More Than Coral at the Coral Farm

Journey to the Microcosmos: We Finally Found the Elusive Bristle Worm!

Journey to the Microcosmos: Putting Coral Under the Microscope

Journey to the Microcosmos: How Brownian Motion Helped Prove the Existence of Atoms

Journey to the Microcosmos: How to Not Kill an Extremely Rare Microbe

Journey to the Microcosmos: Mouthless Parasites That Make Their Home in Worm Guts

Journey to the Microcosmos: Can This Baby Rotifer Escape Before It’s Eaten Alive?

Journey to the Microcosmos: The Moss Animals That Are Defined by Their Butts

Journey to the Microcosmos: Getting to the Root of Nitrogen Fixation

Journey to the Microcosmos: A Two-Headed Ciliate and Other Adorable, Dead, and Extinct Things

Journey to the Microcosmos: The Aquatic Snails That Leave a Path of Destruction

Journey to the Microcosmos: These Squishy Dots Move So Fast You Might Miss Them

Journey to the Microcosmos: The Microscope Upgrades We've Made Along the Way

Journey to the Microcosmos: Our Tardigrades Got Stuck in a German Post Office

Journey to the Microcosmos: These Walking Ciliates Are Frustrating

Journey to the Microcosmos: Water Mites--Sticky Dancers With Crystal Poop

Journey to the Microcosmos: We Accidentally Grew Crystals

Journey to the Microcosmos: Ghost Fleas--Tiny See Through Cyclopses

Journey to the Microcosmos: Bacteria That Only Want to Head North

Journey to the Microcosmos: An Hour of Our Uncut Microscopic Footage

Journey to the Microcosmos: The Shared Doom of Microscopic Hitchhikers

Journey to the Microcosmos: Kentrophoros--The Mouthless Ciliate With a Back Full of Snacks

Journey to the Microcosmos: These Rotifers Glue Themselves Together

Journey to the Microcosmos: Why Are These Single-Celled Organisms so Large?

Journey to the Microcosmos: Sand Is Full of Life and Death

Journey to the Microcosmos: The 18th Century Tardigrade Debate

Journey to the Microcosmos: Is the Mitochondria Always the Powerhouse of the Cell?

Journey to the Microcosmos: This Extremely Rare Ciliate Has Only Been Seen Four Times

Journey to the Microcosmos: How We Got the DNA From This Extremely Rare Ciliate

Journey to the Microcosmos: A Microscopic Tour Through a Norwegian Fjord

Journey to the Microcosmos: The Illuminating Reason Perenema Curl Up Into a Ball

Journey to the Microcosmos: The Many Ways Microbes Eat, Get Eaten, and Poop

Journey to the Microcosmos: The Collotheca Doesn’t Mind Eating Its Own Babies

Journey to the Microcosmos: The Indecisive Evolution of Gastrotrichs

Journey to the Microcosmos: How Electricity Brings Order to Chaos

Journey to the Microcosmos: The Microcosmos Is Made of Star Stuff

Journey to the Microcosmos: Your Mouth Is a Cave For Microbes

Journey to the Microcosmos: Microscopic Space Travelers

Journey to the Microcosmos: These Microbes Wear Chain Mail Made From DNA

Journey to the Microcosmos: How Does Yeast Make Bread?

Journey to the Microcosmos: How Do Microbes Make Decisions?

Journey to the Microcosmos: How Your Blood Keeps You Alive

Journey to the Microcosmos: Tardigrades--The Ambassadors of the Microcosmos

Journey to the Microcosmos: Can Bacteria Eat Plastic?

Journey to the Microcosmos: Lichen--The Mysterious Love Child of Fungi and Algae

Journey to the Microcosmos: The Microcosmos Is a Very Stressful Place

Journey to the Microcosmos: These Mites Are Probably on Your Face Right Now

Journey to the Microcosmos: The Incredible World of Bacterial Communities

Journey to the Microcosmos: The Tube-Dwelling Architects of the Microcosmos